OpenTechnical

OT-2026-000030376

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000030376) never changes.

Identity and time

Publication numberOT-2026-000030376 · never reused
Internal UUID01a0ae73-e501-7357-83a3-039d0a45c914 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030376
StatusPUBLIC

Content hashes

Canonical text21d8f7c15f1a051c3eecd2383361f4516e68777fa9e1a66a714530c3663c371d
Markdown616a6f448d6ab0c89c3a05d448720540028ffebb1645861703051e355a0b817c
PDF
Publication page3c5fa5ebb1f0a68ef910c73650c0c118f04ed084ae2c8854a4c5debcc723efb0
Manifest492a1ff840af6a53c9e61f4b863e6fd03390bc2801331f93c59d1530cfd61fdb

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureUCGUz2KqyoAM+RpFo437w9yc1VcqPpvSNSOfnfQiInYLBAeXI7ZgVzk6vU2ozyDaba9uM+lZO1MmAZkopmuJCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:05.965408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030376
observed 3c5fa5ebb1f0a68ef910c73650c0c118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.947752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030376/manifest.json
observed 492a1ff840af6a53c9e61f4b863e6fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.930269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030376/publication.md
observed 616a6f448d6ab0c89c3a05d448720540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.912462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030376/publication.txt
observed 21d8f7c15f1a051c3eecd2383361f451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.